High-definition full-parallax CGHs created by using the polygon-based method and the shifted angular spectrum method

Kyoji Matsushima; Sumio Nakahara

doi:10.1117/12.844606

10 February 2010 High-definition full-parallax CGHs created by using the polygon-based method and the shifted angular spectrum method

Kyoji Matsushima, Sumio Nakahara

Author Affiliations +

Proceedings Volume 7619, Practical Holography XXIV: Materials and Applications; 761913 (2010) https://doi.org/10.1117/12.844606
Event: SPIE OPTO, 2010, San Francisco, California, United States

Abstract

A large-scale CGH named "The Venus", created by using the polygon-based method, was demonstrated in the last year. However, the 3D scene of the Venus is restricted by the shifted Fresnel method used for numerical propagation using segmented frame buffers, because severe aliasing errors are produced if the propagation distance is shorter than a specific value in the method. In this paper, a novel method referred to as the shifted angular spectrum method is proposed for short distance propagation using the segmented frame buffers. The method can remove the restriction and give flexibility to design of 3D scenes. Both CGHs calculated by old and new methods are demonstrated.

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Kyoji Matsushima and Sumio Nakahara "High-definition full-parallax CGHs created by using the polygon-based method and the shifted angular spectrum method", Proc. SPIE 7619, Practical Holography XXIV: Materials and Applications, 761913 (10 February 2010); https://doi.org/10.1117/12.844606

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